CN114956258A - Low-frequency ultrasonic algae removal device and algae removal method - Google Patents
Low-frequency ultrasonic algae removal device and algae removal method Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower or fuel cells
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
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- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention discloses a low-frequency ultrasonic algae removal device and an algae removal method, which are applied to the treatment of microalgae bloom. The algae removal device comprises a shell, an ultrasonic assembly and a solar cell panel. The housing includes a float chamber and an electrode shield. The ultrasonic assembly comprises a storage battery, a PLC, an ultrasonic controller, a data acquisition and transmission module and an ultrasonic transducer. The monitoring assembly triggers the ultrasonic assembly to remove algae from the target water body and comprises a chlorophyll a sensing electrode and a blue-green algae sensing electrode which are fixedly arranged in the floating body box. The device has high intelligent degree, can realize accurate control on the algae removal process so as to effectively remove and inhibit algae, is suitable for prevention, control and treatment of microalgae bloom, has wide application prospect, and solves the problems of low integration level, complex structure, high energy consumption, unreasonable ultrasonic operation parameter combination and the like of the conventional ultrasonic algae removal device.
Description
Technical Field
The invention relates to the technical field of water ecological management, in particular to a low-frequency ultrasonic algae removal device and an algae removal method adopting the algae removal device.
Background
The eutrophication process of rivers, lakes, estuaries and offshore causes the mass propagation of algae and the formation of blooms. The common predominant population of the water bloom comprises microalgae such as blue algae, green algae and diatom, and researches show that the occurrence frequency of the water bloom event in the global range is increased, the influence on scale enlargement is realized, the duration is longer and longer, the microalgae cover the water surface through abnormal proliferation, the water quality is deteriorated, peculiar smell is emitted, dissolved oxygen is reduced, algal toxin is released, the function of an ecological system is seriously damaged, and the great threat to the safety of drinking water and the health of human beings is formed. Therefore, the control and treatment of the microalgae bloom are the problems which are urgently needed to be solved in ecological treatment of rivers, lakes and reservoirs.
At present, the algae removal adopts a physical method, a chemical method, a biological method or a combined process method, but the methods have the defects of secondary pollution, complex process, time and labor consumption and higher cost. The ultrasonic algae removal technology has wide market prospect due to the advantages of economy, high efficiency, environmental protection and the like, and damages pseudo-vacant cells of microalgae cells by utilizing various effects (such as cavitation effect, mechanical effect, free radical oxidation effect and the like) generated in the process of transmitting ultrasonic waves in water, so that the pseudo-vacant cells lose buoyancy and sink, further the photosynthesis is inhibited, and finally the apoptosis of algae is caused.
However, the existing ultrasonic algae removal device has the problems of low integration level, unreasonable ultrasonic parameters, inconvenience in use and the like, and when algae removal operation is carried out in water, an external shore power supply is needed, so that the operation area is limited on one hand, and unnecessary energy consumption is also brought by continuous operation on the other hand.
Disclosure of Invention
Therefore, it is necessary to provide a low-frequency ultrasonic algae removal apparatus and an algae removal method for solving the problems of low integration level, unreasonable ultrasonic parameters and inconvenient use of the existing ultrasonic algae removal apparatus.
A low frequency ultrasonic algae removal apparatus comprising:
the electrode protection cover is fixedly arranged at the bottom of the floating body box;
the ultrasonic assembly is arranged on the shell and comprises a storage battery, a PLC, an ultrasonic controller, a data acquisition and transmission module and an ultrasonic transducer, wherein the storage battery, the PLC, the ultrasonic controller and the data acquisition and transmission module are fixedly arranged in the floating body box;
the solar cell panel is fixedly arranged on the floating body box; and
the monitoring component triggers the ultrasonic component to remove algae from the target water body; the monitoring assembly comprises a chlorophyll a sensing electrode and a blue-green algae sensing electrode which are fixedly arranged in the floating body box;
the data acquisition and transmission module is used for receiving data information of the monitoring assembly and feeding back the data information to the PLC; and the PLC is used for judging the current data information and sending an instruction to the ultrasonic transducer.
The algae removal device is high in intelligent degree, can accurately control the algae removal process, is suitable for preventing and treating the algal bloom of the microalgae, and has a wide application prospect.
In one embodiment, a plurality of groups of through grooves are formed in the position of the cover wall of the electrode protective cover in a penetrating manner, and the through grooves are arranged in a surrounding manner;
the electrode protection cover is a hollow body due to the design of the through grooves, and the water body can pass through the chlorophyll a sensing electrodes and the blue-green algae sensing electrodes for detection.
In one embodiment, the electrode protective cover is provided with a mounting groove matched with the ultrasonic transducer.
In one embodiment, the number of the solar panels is four, the four solar panels are symmetrically arranged in pairs by taking the longitudinal axis of the floating body box as a center, and the included angle between the solar panels and the floating body box is forty-five degrees.
In one embodiment, the chlorophyll-a sensing electrode and the detection end of the blue-green algae sensing electrode are exposed within the electrode shield; the output end of the solar cell panel is electrically connected with the input end of the storage battery.
In one embodiment, the ultrasonic controller is used for activating the ultrasonic transducer to emit ultrasonic waves;
when the data information is lower than a set threshold value, the ultrasonic transducer is not started, and the device is in a standby state; and when the data information is higher than the set threshold value, the ultrasonic transducer is started, and the device is in an algae removal operation state.
In one embodiment, the algae removing device further comprises a warning lamp fixedly installed on the floating body box and a signal receiving and transmitting antenna fixedly connected to the center of the floating body box in a penetrating mode.
Furthermore, the warning lamp is located at a position corresponding to one side of the signal receiving and transmitting antenna, and the signal receiving and transmitting antenna is electrically connected to the output end of the PLC.
An algae removal method comprises the following steps:
s1 providing an algae removal device;
s2, placing the algae removal device into an algae-containing water body, and setting working time;
s3, the algae removal device obtains the chlorophyll a concentration and the algae density in the water body, and transmits the real-time numerical value to a PLC for judgment;
and S4, starting an ultrasonic transducer in the algae removal device to emit ultrasonic waves to perform algae removal operation.
Compared with the prior art, the invention has the beneficial effects that: the intelligent control ultrasonic wave energy converter can intelligently control the start and stop of the ultrasonic wave energy converter and optimize and adjust related operation parameters according to indexes such as chlorophyll a concentration, algae density and the like of a target water area, can effectively remove and control algae, can also manually set ultrasonic operation parameters aiming at different causing algae species, has high precision, and solves the problems of low integration level, complex structure, high energy consumption and unreasonable combination of the ultrasonic operation parameters of the conventional ultrasonic wave algae removing device.
Drawings
Fig. 1 is a front view of a low-frequency ultrasonic algae removal apparatus provided in embodiment 1 of the present invention.
Fig. 2 shows a cross-sectional view of fig. 1.
Fig. 3 is a schematic structural view of the electrode shield of fig. 2.
Fig. 4 is a flowchart illustrating an algae removal method according to embodiment 2 of the present invention.
FIG. 5 is a graph showing the variation of the algae removal effect of the present invention.
Description of the main elements
1. A float tank; 2. an electrode shield; 3. an ultrasonic transducer; 4. a solar panel; 5. a warning light; 6. a signal transceiving antenna; 7. a storage battery; 8. a PLC; 9. an ultrasonic controller; 10. a data acquisition and transmission module; 11. a chlorophyll a sensing electrode; 12. a blue-green algae sensing electrode; 13. and (4) mounting the groove.
The present invention is described in further detail with reference to the drawings and the detailed description.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1-3, the present embodiment provides a low-frequency ultrasonic algae removal apparatus, which is applied to the treatment of microalgae bloom in an aquatic ecosystem. The algae removing device comprises a shell, an ultrasonic assembly arranged on the shell, four groups of solar cell panels 4, a warning lamp 5 fixedly arranged on the floating body box 1 and a signal receiving and transmitting antenna 6 fixedly connected to the center of the floating body box 1 in a penetrating mode.
The shell comprises a floating body box 1 and an electrode protection cover 2 fixedly arranged at the bottom of the floating body box 1. The monitoring assembly is used for triggering the ultrasonic assembly to remove algae from a target water body and comprises a chlorophyll a sensing electrode 11 (type: OSA-ChlA of Hangzhou Naqing optical and electrical technology Co., Ltd.) and a blue-green algae sensing electrode 12 (type: OSA-Cyano of Hangzhou Naqing optical and electrical technology Co., Ltd.) which are fixedly arranged in the floating body box 1. The detection ends of the chlorophyll a sensing electrode 11 and the blue-green algae sensing electrode 12 are exposed in the electrode protection cover 2, in the embodiment, the chlorophyll a sensing electrode 11 and the blue-green algae sensing electrode 12 are immersed below the water surface, the chlorophyll a concentration of the target water body is monitored in real time through the chlorophyll a sensing electrode 11, and the blue-green algae sensing electrode 12 is matched to monitor the algae density of the target water body in real time. The department of the cover wall position of electrode protection casing 2 runs through and has seted up a plurality of groups and lead to the groove, and a plurality of groups lead to the groove and are to encircle arranging, in this embodiment, adopt to lead to the groove design and make electrode protection casing 2 be the fretwork body to make the water accessible detect with supplying chlorophyll a sensing electrode 11 and blue-green algae sensing electrode 12.
The ultrasonic wave assembly comprises a storage battery 7, a PLC8, an ultrasonic wave controller 9 (type: RLC-UC100 of Hangzhou Rayleigh ultrasonic science and technology Limited company) and a data acquisition and transmission module 10 which are fixedly arranged in the floating body box 1, and two groups of ultrasonic wave transducers 3 (type: RLC-UC100 of Hangzhou Rayleigh ultrasonic science and technology Limited company, and the underwater acting distance is about 150-200 m) which are fixedly arranged on the electrode protective cover 2. The warning light 5 is located at a position corresponding to one side of the signal transceiving antenna 6, and the signal transceiving antenna 6 is electrically connected to an output end position of the PLC 8. In this embodiment, the storage battery 7, the PLC8, the programmable logic controller of the ultrasonic controller 9, and the data acquisition and transmission module 10 are packaged and fixed in the sealed cabin inside the floating body box 1, so as to achieve the purpose of water seepage prevention protection and ensure the stable operation of the circuit part, it should be noted that in this embodiment, two sets of storage batteries 7 are adopted, the storage batteries 7 are externally connected with a direct current 12V for power supply, the battery capacity is 40Ah, and the power consumption requirement of the algae removal device in continuous operation for 2-3 days in rainy days can be met. Offer the mounting groove 13 with ultrasonic transducer 3 looks adaptation on the electrode protection casing 2, two sets of ultrasonic transducer 3 are through corresponding mounting groove 13 symmetrical arrangement in the corresponding both sides position department of electrode protection casing 2, in this embodiment, provide the assembly location of ultrasonic transducer 3 on electrode protection casing 2 based on mounting groove 13.
It should be noted that, this embodiment is exemplified by two sets of ultrasonic transducers 3, in other embodiments, the number of the ultrasonic transducers 3 may be increased according to the size of the water area to expand the ultrasonic wave transmitting range, in addition, a GPS module (not shown) may also be added to the algae removal device of this embodiment to position and track the position of the device, and for convenience of driving to the target water area at any time, an underwater power device (not shown) may also be added to the algae removal device (not shown), which is not described herein again.
The ultrasonic transducer 3 widens the working frequency band by adopting a multimode coupling mode, the working bandwidth ultrasonic frequency is 20-60 kHz, the power is 10-25W, the frequency sweeping period is 8s, the operation is stopped for 8s, and the algae removal operation is carried out in a circulating mode.
The solar cell panels 4 are fixedly installed on the floating body box 1, the four groups of solar cell panels 4 are symmetrically arranged in pairs by taking the longitudinal axis of the floating body box 1 as the center, the included angle between each solar cell panel 4 and the floating body box 1 is forty-five degrees, and the output ends of the solar cell panels 4 are electrically connected with the input ends of the storage batteries 7. In this embodiment, the solar cell panel 4 is used as a power supply body based on photoelectric conversion, so that when the device is used for algae removal operation in water, an external shore power supply is not needed, the operation area is enlarged, and the energy consumption is reduced.
The data acquisition and transmission module 10 is used for receiving the data information of the monitoring assembly and feeding back the data information to the PLC8, and the PLC8 is used for judging the current data information and sending an instruction to the ultrasonic transducer 3. The ultrasonic controller 9 is used for starting the ultrasonic transducer 3 to emit ultrasonic waves, in the embodiment, the ultrasonic transducer 3 is started to emit the ultrasonic waves based on the ultrasonic controller 9 to perform algae removal operation, and in addition, parameters such as ultrasonic frequency, ultrasonic power, operation time and operation frequency can be adjusted in real time by means of the ultrasonic controller 9. When the data information is lower than the set threshold value, the ultrasonic transducer 3 is not started, and the device is in a standby state; when the data information is higher than the set threshold value, the ultrasonic transducer 3 is started, the device is in an algae removal operation state, and at the moment, the pseudo-vacant cells of the microalgae cells are damaged by utilizing various effects (such as cavitation effect, mechanical effect, free radical oxidation effect and the like) generated in the process of transmitting the ultrasonic waves in water, so that the pseudo-vacant cells lose buoyancy and sink, the photosynthesis is inhibited, and finally, the apoptosis of the algae is caused to achieve the aim of removing the algae; when the chlorophyll a concentration and the algae density of the target water body are reduced to be below the threshold values, the PLC8 stops sending instructions, and at the moment, the ultrasonic transducer 3 automatically stops to reciprocate, so that the aims of intelligently, efficiently and low-consumption algae removal and control are finally achieved. It should be noted that the set threshold value in this embodiment is obtained by looking up a table.
In the embodiment, by setting a specific threshold value, the start and stop of the ultrasonic transducer 3 are intelligently controlled and relevant operation parameters are adjusted, and the data acquisition and transmission module 10 is matched to transmit real-time data to an intelligent terminal (such as a PC and a mobile phone) through a 4G/5G network, so that an operator can remotely set and optimize the ultrasonic operation parameters besides mastering algae monitoring data in real time, and finally, algae removal and control with low consumption and high efficiency are realized.
In summary, the algae removing apparatus of the present embodiment has the following advantages compared to the current ultrasonic algae removing apparatus: the algae removing device of the embodiment can intelligently control the start and stop of the ultrasonic transducer 3 and optimize and adjust related operation parameters according to indexes such as chlorophyll a concentration, algae density and the like of a target water area, can effectively remove and control algae, can also manually set ultrasonic operation parameters aiming at different causing algae species, has high precision, and solves the problems of low integration level, complex structure, high energy consumption and unreasonable combination of the ultrasonic operation parameters of the conventional ultrasonic algae removing device.
Example 2
Referring to fig. 4, the present embodiment provides an algae removal method, including the following steps:
s1 provides an algae removal apparatus.
The algae removal device is the low-frequency ultrasonic algae removal device in the embodiment 1.
S2, the algae removal device is placed in the algae-containing water body, and the working time is set.
The working time is set by the PLC8 carried in the algae removal device, so that the algae removal device can be set to work in the daytime and be closed at night for saving energy consumption, and the set working time is 6: 00-18: 00. In the open water area work, the algae removal device can be fixed by using an anchor system, and a plurality of algae removal devices can be used in combination to cover a larger area according to the area of the water area.
The S3 algae removal device obtains chlorophyll a concentration and algae density in the water body, and transmits the real-time numerical value to the PLC8 for judgment.
In a working state, the chlorophyll a sensing electrode 11 in the algae removing device acquires chlorophyll a concentration in real time, the blue-green algae sensing electrode 12 acquires algae density in real time, a real-time numerical value is transmitted to the PLC8 through the data acquisition and transmission module 10 for judgment, when the real-time numerical value is higher than a set threshold value, the PLC8 sends an instruction, the ultrasonic wave controller 9 starts the ultrasonic wave transducer 3 to emit ultrasonic waves with different frequencies, and algae removing operation is carried out; when the real-time value is lower than the set threshold value, the ultrasonic transducer 3 stops working, and the algae removal device enters a standby state. The threshold is set to be that the chlorophyll a concentration is more than or equal to 15 mu g/L or the blue-green algae density is more than or equal to 1500 ten thousand/L.
And S4, the ultrasonic transducer 3 in the algae removal device starts to emit ultrasonic waves to perform algae removal operation.
The ultrasonic transducer 3 widens the working frequency band by adopting a multimode coupling mode, the working bandwidth ultrasonic frequency is 20-60 kHz, the power is 10-25W, the frequency sweep period is 8s, and the operation is stopped for 8s, so that the algae removal operation is circularly carried out.
The algae removal effect evaluation operation of the algae removal method of the present example was as follows:
step one, expanding culture of microcystis aeruginosa;
inoculating microcystis aeruginosa seed liquid into a large-scale water tank filled with a BG-11 culture medium, wherein the BG-11 culture medium comprises the following components: 1.5g/L NaNO 3 、0.04g/L K 2 HPO 4 、0.075g/L MgSO 4 .7H 2 O、0.036g/L CaCl 2 .7H 2 O、0.02g/L Na 2 CO 3 0.006g/L citric acid, 0.006g/L ferric ammonium citrate, 0.001g/L EDTA, 1ml/L microelement solution A5. The plant growth is cultivated by illuminating for 12 h/dayStirring at 30 deg.C for 1 time each day in the morning and afternoon, adding tap water during culture to keep constant volume, and culturing until logarithmic growth phase (algae density reaches 10% 3 Ten thousand per mL) were subjected to ultrasonic algae removal tests.
Step two, removing algae and relevant parameters;
the algae removal device in the embodiment 1 is placed in the water body containing the microcystis aeruginosa, and the working time is set to be 6: 00-18: 00 through the PLC 8. The threshold value of the starting of the ultrasonic transducer 3 is set to be that the concentration of chlorophyll a is more than or equal to 15 mu g/L or the density of blue-green algae is more than or equal to 1500 ten thousand/L.
Step three, removing algae;
with continued reference to FIG. 5, the initial algal density of the water to be treated is about 1.43X 10 4 Ten thousand per liter, the chlorophyll a concentration is 151.24 mug/L, the algae removing device continuously operates for 30 days according to the parameters of the step two, the algae density is reduced to 4.80 multiplied by 10 3 Ten thousand per liter, the chlorophyll a concentration is reduced to 48.75 mug/L, the algae removal rate is about 66.44 percent, and the effect is obvious. The method for removing the microalgae proves that the microalgae in the water body can be safely, economically and efficiently removed and inhibited.
For the naming of each component referred to, the function described in the specification is used as the standard for naming, but is not limited by the specific term used in the present invention, and those skilled in the art can also select other terms to describe each component name of the present invention.
Claims (10)
1. A low-frequency ultrasonic algae removal device is characterized by comprising:
the electrode protection device comprises a shell, a power supply and a control circuit, wherein the shell comprises a floating body box (1) and an electrode protection cover (2) fixedly arranged at the bottom of the floating body box (1);
the ultrasonic assembly is arranged on the shell and comprises a storage battery (7), a PLC (8), an ultrasonic controller (9), a data acquisition and transmission module (10) and an ultrasonic transducer (3), wherein the storage battery (7), the PLC (8), the ultrasonic controller and the data acquisition and transmission module are fixedly arranged in the floating body box (1), and the ultrasonic transducer (3) is fixedly arranged on the electrode protective cover (2);
a solar cell panel (4) fixedly mounted on the floating body box (1); and
the monitoring component triggers the ultrasonic component to remove algae from the target water body; the monitoring assembly comprises a chlorophyll a sensing electrode (11) and a blue-green algae sensing electrode (12) which are fixedly arranged in the floating body box (1);
the data acquisition and transmission module (10) is used for receiving data information of the monitoring assembly and feeding back the data information to the PLC (8); and the PLC (8) is used for judging current data information and sending an instruction to the ultrasonic transducer (3).
2. The device for removing algae by using the low-frequency ultrasonic waves as claimed in claim 1, wherein a plurality of groups of through grooves are formed in the position of the wall of the electrode protection cover (2) in a penetrating manner, and the through grooves are arranged in a surrounding manner.
3. The device for removing algae by using low-frequency ultrasonic waves as claimed in claim 1, wherein the electrode shield (2) is provided with an installation groove (13) matched with the ultrasonic transducer (3).
4. The low-frequency ultrasonic algae removal device according to claim 1, wherein the number of the solar cell panels (4) is four, the four solar cell panels (4) are symmetrically arranged in pairs around the longitudinal axis of the floating body box (1), and the included angle between the solar cell panels (4) and the floating body box (1) is forty-five degrees.
5. The device of claim 1, wherein the chlorophyll-a sensing electrode (11) and the blue-green algae sensing electrode (12) have sensing ends exposed in the electrode shield (2);
the output end of the solar cell panel (4) is electrically connected with the input end of the storage battery (7).
6. A low frequency ultrasonic algae removal apparatus according to claim 1, wherein the ultrasonic controller (9) is configured to activate the ultrasonic transducer (3) to emit ultrasonic waves;
when the data information is lower than a set threshold value, the ultrasonic transducer (3) is not started, and the device is in a standby state;
when the data information is higher than the set threshold value, the ultrasonic transducer (3) is started, and the device is in an algae removal operation state.
7. The device for removing algae by using low-frequency ultrasonic waves as claimed in claim 1, further comprising a warning light (5) fixedly installed on the floating body box (1) and a signal receiving and transmitting antenna (6) fixedly connected to the center of the floating body box (1) in a penetrating manner.
8. The device for removing algae according to claim 7, wherein the warning light (5) is located at a position corresponding to one side of the signal transceiving antenna (6), and the signal transceiving antenna (6) is electrically connected to an output end of the PLC (8).
9. The algae removal method is characterized by comprising the following steps:
s1 providing an algae removal device;
s2, placing the algae removal device into an algae-containing water body, and setting working time;
s3, the algae removal device obtains the chlorophyll a concentration and the algae density in the water body, and transmits the real-time numerical value to a PLC for judgment;
and S4, starting an ultrasonic transducer in the algae removal device to emit ultrasonic waves to perform algae removal operation.
10. The algae removal method according to claim 9, wherein the algae removal apparatus is a low frequency ultrasonic algae removal apparatus according to any one of claims 1 to 8.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115724495A (en) * | 2022-11-28 | 2023-03-03 | 电子科技大学长三角研究院(湖州) | Water surface suspension type ultrasonic insect killing and sterilizing device |
| CN116823837A (en) * | 2023-08-30 | 2023-09-29 | 江西怡杉环保股份有限公司 | Blue algae bloom monitoring device and forecasting method |
| CN117342646A (en) * | 2023-07-08 | 2024-01-05 | 浙江省生态环境科学设计研究院 | Low-frequency ultrasonic algae removal device and algae removal method |
| CN117569282A (en) * | 2024-01-16 | 2024-02-20 | 浙江省生态环境科学设计研究院 | Free movable algae cleaning device |
| CN118420048A (en) * | 2024-04-27 | 2024-08-02 | 浙江恒达仪器仪表股份有限公司 | Frequency hopping type ultrasonic algae control equipment |
| CN118516961B (en) * | 2024-01-16 | 2024-10-22 | 浙江省生态环境科学设计研究院 | Free movable algae cleaning device |
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| CN105060394A (en) * | 2015-07-22 | 2015-11-18 | 浙江大学 | Regularly monitoring ultrasonic algae inhibiting and algae removing system and method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105060394A (en) * | 2015-07-22 | 2015-11-18 | 浙江大学 | Regularly monitoring ultrasonic algae inhibiting and algae removing system and method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115724495A (en) * | 2022-11-28 | 2023-03-03 | 电子科技大学长三角研究院(湖州) | Water surface suspension type ultrasonic insect killing and sterilizing device |
| CN115724495B (en) * | 2022-11-28 | 2024-10-15 | 电子科技大学长三角研究院(湖州) | Water surface suspension type ultrasonic insect killing and sterilizing device |
| CN117342646A (en) * | 2023-07-08 | 2024-01-05 | 浙江省生态环境科学设计研究院 | Low-frequency ultrasonic algae removal device and algae removal method |
| CN116823837A (en) * | 2023-08-30 | 2023-09-29 | 江西怡杉环保股份有限公司 | Blue algae bloom monitoring device and forecasting method |
| CN116823837B (en) * | 2023-08-30 | 2023-11-21 | 江西怡杉环保股份有限公司 | Blue algae bloom monitoring device and forecasting method |
| CN117569282A (en) * | 2024-01-16 | 2024-02-20 | 浙江省生态环境科学设计研究院 | Free movable algae cleaning device |
| CN118516961A (en) * | 2024-01-16 | 2024-08-20 | 浙江省生态环境科学设计研究院 | Free movable algae cleaning device |
| CN118516961B (en) * | 2024-01-16 | 2024-10-22 | 浙江省生态环境科学设计研究院 | Free movable algae cleaning device |
| CN118420048A (en) * | 2024-04-27 | 2024-08-02 | 浙江恒达仪器仪表股份有限公司 | Frequency hopping type ultrasonic algae control equipment |
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